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osu-lazer/osu.Game.Tests/Rulesets/TestSceneBrokenRulesetHandling.cs
2022-11-27 00:00:27 +09:00

80 lines
3.1 KiB
C#

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic;
using System.Linq;
using NUnit.Framework;
using osu.Framework.Allocation;
using osu.Framework.Testing;
using osu.Game.Beatmaps;
using osu.Game.Rulesets;
using osu.Game.Rulesets.Difficulty;
using osu.Game.Rulesets.Mods;
using osu.Game.Rulesets.Osu;
using osu.Game.Rulesets.UI;
using osu.Game.Tests.Visual;
namespace osu.Game.Tests.Rulesets
{
[HeadlessTest]
public partial class TestSceneBrokenRulesetHandling : OsuTestScene
{
[Resolved]
private OsuGameBase gameBase { get; set; } = null!;
[SetUpSteps]
public void SetUpSteps()
{
AddStep("reset ruleset", () => Ruleset.Value = new OsuRuleset().RulesetInfo);
}
[Test]
public void TestNullModsReturnedByRulesetAreIgnored()
{
AddStep("set ruleset with null mods", () => Ruleset.Value = new TestRulesetWithNullMods().RulesetInfo);
AddAssert("no null mods in available mods", () => gameBase.AvailableMods.Value.SelectMany(kvp => kvp.Value).All(mod => mod != null));
}
[Test]
public void TestRulesetRevertedIfModsCannotBeRetrieved()
{
RulesetInfo ruleset = null!;
AddStep("store current ruleset", () => ruleset = Ruleset.Value);
AddStep("set API incompatible ruleset", () => Ruleset.Value = new TestAPIIncompatibleRuleset().RulesetInfo);
AddAssert("ruleset not changed", () => Ruleset.Value.Equals(ruleset));
}
#nullable disable // purposefully disabling nullability to simulate broken or unannotated API user code.
private class TestRulesetWithNullMods : Ruleset
{
public override string ShortName => "nullmods";
public override string Description => "nullmods";
public override IEnumerable<Mod> GetModsFor(ModType type) => new Mod[] { null };
public override DrawableRuleset CreateDrawableRulesetWith(IBeatmap beatmap, IReadOnlyList<Mod> mods = null) => null;
public override IBeatmapConverter CreateBeatmapConverter(IBeatmap beatmap) => null;
public override DifficultyCalculator CreateDifficultyCalculator(IWorkingBeatmap beatmap) => null;
}
private class TestAPIIncompatibleRuleset : Ruleset
{
public override string ShortName => "incompatible";
public override string Description => "incompatible";
// simulate API incompatibility by throwing similar exceptions.
public override IEnumerable<Mod> GetModsFor(ModType type) => throw new MissingMethodException();
public override DrawableRuleset CreateDrawableRulesetWith(IBeatmap beatmap, IReadOnlyList<Mod> mods = null) => null;
public override IBeatmapConverter CreateBeatmapConverter(IBeatmap beatmap) => null;
public override DifficultyCalculator CreateDifficultyCalculator(IWorkingBeatmap beatmap) => null;
}
#nullable enable
}
}